About Aplusclick
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A+ Click helps students become problem solvers. Free, without ads, no calculators, and without signing-up. The website features a graduated set of 16,000+ challenging problems for students in grades one through twelve, starting from the very simple to the extremely difficult. The questions are based on the Common Core Standards in Math and go beyond by adding hundreds of meaningful practical problems and brainteasers.
The questions concentrate on understanding, spatial reasoning, usefulness, and problem solving rather than math rules and theorems. The problems include a short description and an illustration to help problem solvers visualize the model. The problems can be solved within one minute and without using a calculator.
The tests adapt to student ability. To progress to a higher level, you must correctly answer five consecutive questions. Younger kids in grade 1 through 5 have two chances to get it right. If you correctly answer 16 questions, the system suggests you enter the competition (click on
in the left menu).
The self-study learning site includes game elements: star scoring system, cheering sounds for young kids, statistics (click on 
in the left menu), and a Leaderboard.
The Leaderboard shows the best performers of the last 10 days.
Igor Kokcharov launched the project in 2010. Leslie Green joined the project in 2015 revising all the questions, adding meaningful answers and many new original problems. Igor explains in the A+Click blog: "When I was a young boy, I studied mathematics in school and also on my own using Martin Gardner's puzzle books. Now, as an adult, I am eager to help children throughout the world who are in the same position that I was in as a child to discover interesting, practical, and challenging math and logic puzzles."
Acknowledgement
The A+ Click team is grateful to many people for providing valuable contributions and insights in order to improve the content of this site. We would especially like to acknowledge the contributions of
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The sounds courtesy of Gianluca Ruggeri & Olga Kokcharova / Geneva, Switzerland, 2017.
The A+ Click team wishes to thank those people that have reviewed the site and wrote a few words about the site.
"Your site was one of 21 sites selected as a 2010 Great Web Sites for Kids addition." GWS Committee of the American Library Association
"Wow! Thanks for the awesome find!!!! This is a great website and so useful!" Bloggers at proteacher.net
"If you teach math to grades 1-12, this site is a MUST SEE." teachersfirst.com
"A simple format and engaging graphics makes A+ Click a valuable resource when it comes to building math skills." Stacy Zeiger, at educational-freeware.com
"Aplusclick is a good site for kids to acquire and tone their math problem solving skills, especially logical and creative thinking - an area I feel is not emphasized enough in regular school work." igamemom.com
"It's gon' take forever to finish all the problems! U rock." Asked at answers.yahoo.com
"This is the most reliable, accurate, efficient and the most valid online game that I have played ever. Your help, courage, and dedicate made my Mathematics knowledge very sharp. Thank you for you all. I am a student of grade 11 In Uva province Sri Lanka." - Nuzha Kidur
"The quality and the quantity of the puzzles of the website is absolutely phenomenal." Craig Barton
"A+ Click Math works on everything from a Chromebook to a iPad to a Mac/Windows machine." - Justin Cowen
1st Graders earning gold medals on www.aplusclick.org math site
Contact:
You can support the project by shopping Leslie's and Igor's e-books at Amazon.
